<template>
    <!-- #ifdef APP-NVUE -->
    <text :style="{ color: color, 'font-size': iconSize }" class="uni-icons" @click="_onClick">{{ unicode }}</text>
    <!-- #endif -->
    <!-- #ifndef APP-NVUE -->
    <text :style="{ color: color, 'font-size': iconSize }" class="uni-icons"
          :class="['uniui-'+type,customPrefix,customPrefix?type:'']" @click="_onClick"></text>
    <!-- #endif -->
</template>

<script>
import icons from './icons.js';

const getVal = (val) => {
    const reg = /^[0-9]*$/g
    return (typeof val === 'number' || reg.test(val)) ? val + 'px' : val;
}
// #ifdef APP-NVUE
var domModule = weex.requireModule('dom');
import iconUrl from './uniicons.ttf'

domModule.addRule('fontFace', {
    'fontFamily': "uniicons",
    'src': "url('" + iconUrl + "')"
});
// #endif

/**
 * Icons 图标
 * @description 用于展示 icons 图标
 * @tutorial https://ext.dcloud.net.cn/plugin?id=28
 * @property {Number} size 图标大小
 * @property {String} type 图标图案，参考示例
 * @property {String} color 图标颜色
 * @property {String} customPrefix 自定义图标
 * @event {Function} click 点击 Icon 触发事件
 */
export default {
    name: 'UniIcons',
    emits: ['click'],
    props: {
        type: {
            type: String,
            default: ''
        },
        color: {
            type: String,
            default: '#333333'
        },
        size: {
            type: [Number, String],
            default: 16
        },
        customPrefix: {
            type: String,
            default: ''
        }
    },
    data() {
        return {
            icons: icons.glyphs
        }
    },
    computed: {
        unicode() {
            let code = this.icons.find(v => v.font_class === this.type)
            if (code) {
                return unescape(`%u${code.unicode}`)
            }
            return ''
        },
        iconSize() {
            return getVal(this.size)
        }
    },
    methods: {
        _onClick() {
            this.$emit('click')
        }
    }
}
</script>

<style lang="scss">
/* #ifndef APP-NVUE */
@import './uniicons.css';

@font-face {
    font-family: uniicons;
    src: url('./uniicons.ttf') format('truetype');
}

/* #endif */
.uni-icons {
    font-family: uniicons;
    text-decoration: none;
    text-align: center;
}

</style>
